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This paper describes the bio-typing and rapid identification technique of E. tarda briefly and discusses the virulence factors of E. tarda elaborately, including adhesion related factors, enzymes involved in anti-phagocyte killing and serum resistance, toxins, type Ⅲ and type Ⅵ secretion systems, siderophores and PST operons, in order to provide reference in researches of pathogenic mechanisms and prevention of E. tarda.

文中对迟缓爱德华氏菌的生物分型、快速检测技术等进行了简要阐述，并对该病原菌的主要致病相关因子，包括黏附因子、抵抗宿主免疫机制的酶类、各种毒素、Ⅲ型和Ⅵ型分泌系统、载铁体及磷酸盐特异转运操纵子进行了详细阐述，以期为迟缓爱德华氏菌致病机理的进一步深入研究及其防治提供参考和借鉴。

In this dissertation,three principal factors which are responsible for thedistortions of MnO6 octahedra were investigated,these factors are the Jahn-Tellereffects,the size mismatch between A-and B-site cations,and the vacancies on A-and/or B-site,respectively.

本论文就是考察引起MnO6八面体畸变的三大因素及其对性能的影响。这三大因素是：Jahn-Teller效应，A位和B位离子半径的不匹配，A位和B位空位。

Should be carefully observed before each cough attack and what factors exist, to identify allergens factors, be avoided to prevent the re-engagement.

要仔细观察每次咳嗽发作前有什么因素存在，找出致敏因素，加以避免，防止再次接触。

DI is the most ideal irrigation indicator as it is very much influenced by soil water potential and less affected by meteorological factors. DI value of zero is probably the best irrigation threshold. MDS is strongly affected by meteorological factors and requires reference MDS under well-irrigated conditions. RT on the other hand is not significantly related with soil water potential. Therefore neither of these variables is suitable as irrigation index.

DI 受土壤水势影响产生变化的趋势明显并受气象因子影响较小，是最理想的灌溉控制指标，可将 DI =0作为灌溉控制临界值； MDS 受气象因子影响强烈，变异性较大，且需要充分灌溉条件下的 DI 作为参考， RT 与土壤水势的相关性不高，因此均不适合单独作为灌溉控制指标。

These problems become more important, which is also just the aim of research to be solved. From the viewpoint of macroeconomic and microeconomic, the paper builds labor demand model with the combination of Cobb-Douglas production function and productive conditions of profit maximization. Then the main factors influencing employment growth are analyzed, such as capital input, wage and technology progress. In addition, the influences of more factors are further studied.

在此基础上，论证了资本存量、职工工资和技术进步这三大因素对我国就业增长的决定机制，从所有制结构、产业结构、收入分配格局及劳动力市场完善程度等方面入手，进一步分析了影响我国就业增长的深层原因，并据此提出扩大就业量、促进我国就业持续增长的应对策略，以期进一步丰富和完善现有的研究成果、弥补其非系统化所导致的缺憾。

This thesis examines the antecedents of the voluntary behavior of retired teachers in the context of an integrated behavioral model that incorporates a wide variety of important factors from previous researches on volunteer behavior into a single theoretical framework provided by the Theory of Planned Behavior. The model was tested using data from a sample of 219 individual respondents by Structural Equation Model. Moreover, four voluntary teachers and six school administrators were interviewed to thoroughly explore factors affecting the success of the "Voluntary Teaching Program" in Taipei County.

本研究系以Ajzen (1985)的计画行为理论为架构基础，以增进和维持退休教师参与学校志工的意愿为主题，整合高龄志工参与动机和相关研究，建构一个对於退休教师参与学校志工行为意向具有预测及解释力的「学校志工参与行为意向模式」；同时并透过与几所国中小行政人员和退休教师的深度访谈，从多元角度了解影响退休教师参与学校志工的原因，藉以改善这些影响因素，提高退休教师回来学校服务的意愿。

A conditional logistic regression showed breast-feeding、time of adding supplemented food、father' occupation、radio set、often eating vegetable and egg to be positive factors,however, disease、diarrhea in tow wages to be risk factors.

经条件的Logistic分析，选入模型的有9个变量，母乳喂养、正确添加辅食时间、父亲的职业、家中有收音机、经常吃蔬菜、每周摄入鸡蛋的频率是营养不良的保护因素，而经常生病、两周内患腹泻及其他疾病是营养不良的危险因素。

The results show that the flow area and the high speed of the solenoid valve are the key factors in all of the factors, in order to improve the performance of the system, a high speed and great flow area solenoid valve must be used.

对所得到的优化结果分析说明，控制电磁阀的通流面积和响应速度是影响系统工作性能的最为关键的参数，要提高系统的工作性能必须要选用高速大流量电磁阀。

In the operation, many factors have influences on vacuum degree of condenser, among which the main factors are: inlet temperature of cooling water, flow rate of cooling water, tube bundle surface cleanness of condenser and vacuum system tightness, etc.

在运行中，影响凝汽器真空度的因数很多，其中主要有：冷却水进水温度、冷却水的流量、凝汽器管束表面的清洁状况，以及真空系统的严密性等。

Through detailed analysis of the concept and nature of the "megalopolis", this paper discusses the relationship and influence factors between change of the industrial and urban and township spatial structures of the Yangtze Delta Area and argues that: i the two highly modernized networks (infrastructure networks and the market and industrial organization networks) based on functional division of labor between individual cities possess crucial importance in facilitating change and upgrade of the industrial structure on one side and sustained optimization of the organizational pattern of the urban and township spatial structure on the other; ii in the light of the Yangtze Delta Area, influence factors in promoting positive corresponding states between change of the industrial structure and urban and township spatial structure are concerned with development level of the first place city, rational and orderly hierarchy of the urban and township system and, meanwhile, up-to-dateness of the city networks.

本文以长三角为研究地区，对产业结构演进与城镇空间结构的对应关系和影响要素进行了探讨。据此认为，基于城市功能定位和合理分工基础之上的高度现代化的两大网络（基础设施网络、市场体系和产业组织网络）是推进产业结构不断演进和升级的重要条件，也是推动城镇空间结构和组织模式持续优化的着力点和主要抓手；促进产业结构演进与城镇空间结构对应的影响要素主要包括：首位城市的发达程度、城市间合理和有序的层级关系、城市体系网络的现代化程度。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。